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Related Experiment Video

Updated: May 29, 2026

Fish Sperm Assessment Using Software and Cooling Devices

Fish Sperm Assessment Using Software and Cooling Devices

Published on: July 28, 2018

Stress and dietary factors modify boar sperm for processing.

L Radomil¹, M J Pettitt, K M Merkies

¹Ontario Agriculture College, University of Guelph, Guelph, Canada.

Reproduction in Domestic Animals = Zuchthygiene

|September 3, 2011

Summary

Dietary flaxseed improves boar sperm quality by increasing n-3 fatty acids, enhancing morphology, membrane fluidity, and motility during storage. This dietary modification minimizes damage from processing for artificial insemination (AI).

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Area of Science:

Reproductive Biology
Animal Science
Biochemistry

Background:

Boar sperm face significant stress during artificial insemination (AI) processing, including osmotic changes, membrane alterations, ice formation, and reactive oxygen species (ROS) production.
ROS can be detrimental to sperm, affecting motility, viability, and acrosome integrity, particularly at high concentrations or with improper timing.

Purpose of the Study:

To review the stresses encountered by boar sperm during processing.
To present preliminary findings on dietary modifications, specifically flaxseed supplementation, to mitigate processing-induced sperm damage.

Main Methods:

Review of existing literature on boar sperm processing stresses and ROS effects.
Dietary intervention study where boars were fed flaxseed for 8 weeks to increase n-3 fatty acid content.
Evaluation of sperm morphology, membrane fluidity, motility, and viability after liquid and frozen storage.

Main Results:

Dietary flaxseed supplementation in boars led to significant improvements in sperm morphology (p < 0.05) and increased membrane fluidity (p < 0.05).
Sperm from flaxseed-fed boars exhibited better retention of motility and viability during 5-7 days of storage (p < 0.05) compared to controls.
Previous studies indicate direct lipid and Vitamin E incorporation also improves semen survival.

Conclusions:

Dietary modification with flaxseed is a promising strategy to enhance boar sperm quality and resilience to storage and processing stresses.
Further evaluation of processes that reduce oxidative damage to stored sperm is warranted for improving AI success rates.